Base | Representation |
---|---|
bin | 100111010101001010… |
… | …111111010000011101 |
3 | 11001000011022211212221 |
4 | 213111022333100131 |
5 | 1142442132230323 |
6 | 31222315425341 |
7 | 3023345465233 |
oct | 472512772035 |
9 | 131004284787 |
10 | 42231133213 |
11 | 16a01412495 |
12 | 8227155251 |
13 | 3ca0394929 |
14 | 2088a30953 |
15 | 117280355d |
hex | 9d52bf41d |
42231133213 has 4 divisors (see below), whose sum is σ = 42391708128. Its totient is φ = 42070558300.
The previous prime is 42231133193. The next prime is 42231133279. The reversal of 42231133213 is 31233113224.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 42231133213 - 233 = 33641198621 is a prime.
It is a super-2 number, since 2×422311332132 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42231133013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80287063 + ... + 80287588.
It is an arithmetic number, because the mean of its divisors is an integer number (10597927032).
Almost surely, 242231133213 is an apocalyptic number.
It is an amenable number.
42231133213 is a deficient number, since it is larger than the sum of its proper divisors (160574915).
42231133213 is a wasteful number, since it uses less digits than its factorization.
42231133213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160574914.
The product of its digits is 2592, while the sum is 25.
Adding to 42231133213 its reverse (31233113224), we get a palindrome (73464246437).
The spelling of 42231133213 in words is "forty-two billion, two hundred thirty-one million, one hundred thirty-three thousand, two hundred thirteen".
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